/* Design System Custom Tokens */
:root {
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Premium Light Theme (Default) */
  --bg-base: hsl(210, 25%, 98%);
  --bg-gradient-start: hsl(0, 0%, 100%);
  --bg-gradient-end: hsl(210, 20%, 94%);
  
  --card-bg: hsla(0, 0%, 100%, 0.85);
  --card-border: hsla(215, 20%, 85%, 0.6);
  --card-border-glow: hsla(215, 90%, 52%, 0.08);
  
  --text-primary: hsl(222, 47%, 12%);
  --text-secondary: hsl(217, 16%, 36%);
  --text-muted: hsl(215, 12%, 52%);

  --color-primary: hsl(215, 90%, 52%);
  --color-primary-hover: hsl(215, 90%, 42%);
  --color-primary-glow: hsla(215, 90%, 52%, 0.15);
  --color-primary-gradient-end: hsl(200, 100%, 48%);
  --color-primary-gradient-end-hover: hsl(200, 100%, 42%);
  
  --color-accent: hsl(255, 65%, 55%);
  --color-accent-hover: hsl(255, 65%, 45%);
  
  --color-success: hsl(142, 60%, 28%);
  --color-success-bg: hsla(142, 70%, 45%, 0.08);
  --color-pending: hsl(38, 85%, 38%);
  --color-pending-bg: hsla(48, 95%, 53%, 0.08);
  --color-danger: hsl(350, 70%, 45%);
  --color-danger-bg: hsla(350, 80%, 55%, 0.08);
  --color-error: hsl(25, 80%, 40%);
  --color-error-bg: hsla(25, 95%, 55%, 0.08);
  
  /* Nutri-Score HSL Colors */
  --nutri-a: hsl(140, 75%, 35%);
  --nutri-b: hsl(95, 70%, 42%);
  --nutri-c: hsl(48, 90%, 50%);
  --nutri-d: hsl(28, 90%, 53%);
  --nutri-e: hsl(5, 85%, 53%);
  
  /* NOVA Group Colors */
  --nova-1: hsl(140, 70%, 40%);
  --nova-2: hsl(80, 70%, 43%);
  --nova-3: hsl(35, 90%, 50%);
  --nova-4: hsl(5, 85%, 50%);

  --border-radius-lg: 16px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 15px 35px -5px rgba(0, 0, 0, 0.12), 0 0 20px 0 hsla(217, 90%, 56%, 0.05);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Theme-aware layout values (Light Mode default) */
  --item-bg: hsla(215, 20%, 93%, 0.5);
  --item-bg-hover: hsla(215, 20%, 88%, 0.7);
  --scrollbar-thumb: hsla(215, 10%, 75%, 0.8);
  --input-bg: hsl(0, 0%, 100%);
  --input-bg-focus: hsl(0, 0%, 100%);
  --btn-secondary-bg: hsl(215, 20%, 92%);
  --btn-secondary-bg-hover: hsl(215, 20%, 86%);
  --btn-primary-text: hsl(0, 0%, 100%);
  --styled-select-bg: hsl(0, 0%, 100%);
  --divider-color: hsl(215, 20%, 90%);
  --detail-bg: hsl(0, 0%, 100%);
  --body-radial-gradient: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  --header-border: hsl(215, 20%, 90%);
  --footer-border: hsl(215, 20%, 92%);
  --logo-gradient-start: var(--text-primary);
}

/* Premium Dark Theme Override */
:root[data-theme="dark"] {
  --bg-base: hsl(0, 0%, 4%);
  --bg-gradient-start: hsl(0, 0%, 3%);
  --bg-gradient-end: hsl(0, 0%, 7%);
  
  --card-bg: hsla(0, 0%, 9%, 0.75);
  --card-border: hsla(0, 0%, 18%, 0.5);
  --card-border-glow: hsla(150, 85%, 45%, 0.06);
  
  --text-primary: hsl(0, 0%, 96%);
  --text-secondary: hsl(0, 0%, 80%);
  --text-muted: hsl(0, 0%, 58%);

  --color-primary: hsl(150, 85%, 45%);
  --color-primary-hover: hsl(150, 85%, 38%);
  --color-primary-glow: hsla(150, 85%, 45%, 0.25);
  --color-primary-gradient-end: hsl(165, 85%, 42%);
  --color-primary-gradient-end-hover: hsl(165, 85%, 36%);
  
  --color-accent: hsl(280, 80%, 65%);
  --color-accent-hover: hsl(280, 80%, 55%);
  
  --color-success: hsl(142, 70%, 45%);
  --color-success-bg: hsla(142, 70%, 45%, 0.15);
  --color-pending: hsl(48, 95%, 53%);
  --color-pending-bg: hsla(48, 95%, 53%, 0.15);
  --color-danger: hsl(350, 80%, 55%);
  --color-danger-bg: hsla(350, 80%, 55%, 0.15);
  --color-error: hsl(25, 95%, 55%);
  --color-error-bg: hsla(25, 95%, 55%, 0.15);
  
  --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 12px 40px 0 rgba(0, 0, 0, 0.75), 0 0 20px 0 hsla(150, 85%, 45%, 0.05);
  --item-bg: hsla(0, 0%, 14%, 0.5);
  --item-bg-hover: hsla(0, 0%, 18%, 0.7);
  --scrollbar-thumb: hsla(0, 0%, 25%, 0.6);
  --input-bg: hsla(0, 0%, 11%, 0.8);
  --input-bg-focus: hsla(0, 0%, 16%, 0.9);
  --btn-secondary-bg: hsla(0, 0%, 14%, 0.6);
  --btn-secondary-bg-hover: hsla(0, 0%, 20%, 0.8);
  --btn-primary-text: hsl(0, 0%, 6%);
  --styled-select-bg: hsl(0, 0%, 10%);
  --divider-color: hsla(0, 0%, 16%, 0.5);
  --detail-bg: hsl(0, 0%, 10%);
  --body-radial-gradient: radial-gradient(circle at 50% 0%, var(--bg-gradient-end), var(--bg-gradient-start));
  --header-border: hsla(0, 0%, 14%, 0.4);
  --footer-border: hsla(0, 0%, 14%, 0.2);
  --logo-gradient-start: #ffffff;
}

/* Reset and Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--body-radial-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-gradient-end);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Header */
.app-header {
  padding: 2rem 1.5rem 1rem;
  border-bottom: 1px solid var(--header-border);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-primary);
  filter: drop-shadow(0 0 8px var(--color-primary-glow));
}

.logo h1 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--logo-gradient-start) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo h1 span {
  font-size: 0.85rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  color: var(--color-primary);
  -webkit-text-fill-color: var(--color-primary);
  vertical-align: middle;
  margin-left: 0.5rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.subtitle {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Theme Toggle Switch */
.theme-toggle-container {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}

.theme-toggle-switch {
  background: var(--btn-secondary-bg);
  border: 1px solid var(--card-border);
  border-radius: 30px;
  cursor: pointer;
  display: flex;
  position: relative;
  padding: 3px;
  transition: var(--transition-smooth);
  outline: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  user-select: none;
  width: 150px;
  height: 36px;
}

.theme-toggle-switch:hover {
  border-color: var(--color-primary);
}

.theme-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  z-index: 2;
}

.theme-option svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.25;
}

.theme-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  border-radius: 20px;
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease;
  z-index: 1;
  border: 1px solid var(--card-border);
}

/* Light mode active option style */
:root[data-theme="light"] .light-option {
  color: var(--color-primary);
}
:root[data-theme="light"] .theme-slider {
  transform: translateX(0);
}

/* Dark mode active option style */
:root[data-theme="dark"] .dark-option {
  color: var(--color-primary);
}
:root[data-theme="dark"] .theme-slider {
  transform: translateX(100%);
}

@media (max-width: 768px) {
  .theme-toggle-container {
    position: static;
    transform: none;
    margin: 1.25rem auto 0;
    display: flex;
    justify-content: center;
  }
}

/* Main Layout Grid */
.app-container {
  max-width: 1280px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
}

/* Cards (Glassmorphism) */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-premium);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 1.75rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.glass-card {
  position: relative;
}

.glass-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-glow), transparent);
}

.card:hover {
  border-color: var(--card-border-glow);
  box-shadow: var(--shadow-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-header h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Viewfinder (Webcam Container) */
.viewfinder-container {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: hsl(0, 0%, 4%);
  border-radius: var(--border-radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--card-border);
}

/* HTML5 QR Code hidden/styled internally */
#reader {
  width: 100% !important;
  height: 100% !important;
  border: none !important;
}

#reader video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  border: 1px solid transparent; /* Forces Safari layout repaint to prevent black screen */
}

/* Custom Viewfinder overlays on top of the library's video stream */
.custom-viewfinder {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 10;
  display: none; /* Only show when scanner is running */
}

/* Outer boundary dimming effect built in CSS.
   We construct a dark border around a bright central scan region (ROI) */
.custom-viewfinder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle, 
    transparent 45%, 
    rgba(0, 0, 0, 0.6) 80%
  );
}

.scanner-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  aspect-ratio: 2.5 / 1; /* Locked wide aspect ratio */
  max-width: 440px;
  max-height: 160px;
  z-index: 12;
}

/* Target Area Brackets */
.corner-bracket {
  position: absolute;
  width: 28px;
  height: 28px;
  border: 4px solid var(--color-primary);
  border-radius: 4px;
}

.top-left {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.top-right {
  top: 0;
  right: 0;
  border-left: none;
  border-bottom: none;
}

.bottom-left {
  bottom: 0;
  left: 0;
  border-right: none;
  border-top: none;
}

.bottom-right {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

/* Laser sweep line */
.laser-line {
  position: absolute;
  left: 3%;
  right: 3%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  box-shadow: 0 0 12px 2px var(--color-primary-glow);
  animation: laserSweep 3s infinite ease-in-out;
}

@keyframes laserSweep {
  0%, 100% {
    top: 5%;
  }
  50% {
    top: 95%;
  }
}

.scan-instructions-overlay {
  position: absolute;
  bottom: 12%;
  left: 0;
  right: 0;
  text-align: center;
}

.scan-instructions-overlay p {
  display: inline-block;
  background: rgba(10, 10, 10, 0.85);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--card-border);
  letter-spacing: 0.5px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.scanner-status-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.85);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  z-index: 20;
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.scanner-status-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.spinner {
  width: 3.5rem;
  height: 3.5rem;
  border: 4px solid rgba(0, 242, 254, 0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse Indicator */
.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.pulse-indicator::after {
  content: "";
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: pulseGlow 1.8s infinite ease-out;
  opacity: 0;
}

@keyframes pulseGlow {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Controls */
.camera-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.styled-select {
  background: var(--styled-select-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 16px;
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.styled-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.btn {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  padding: 0.55rem 1.25rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-gradient-end));
  color: var(--btn-primary-text);
  border: none;
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary-gradient-end-hover));
  box-shadow: 0 6px 16px var(--color-primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
}

.btn-secondary:hover {
  background: var(--btn-secondary-bg-hover);
  border-color: var(--text-muted);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 50%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--btn-secondary-bg);
  border-color: var(--card-border);
}

.btn-icon:hover {
  background: var(--btn-secondary-bg-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  transition: transform 0.5s ease;
}

.btn-icon:hover svg {
  transform: rotate(180deg);
}

.btn-text {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-text:hover {
  color: var(--text-primary);
}

.arrow-icon {
  width: 1.1rem;
  height: 1.1rem;
  transition: transform 0.2s ease;
}

.btn-text:hover .arrow-icon {
  transform: translateX(-4px);
}

/* Footer Section / Manual input */
.scanner-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--divider-color);
}

.manual-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.manual-input-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.input-with-btn {
  display: flex;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.input-with-btn:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.input-with-btn input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 0.65rem 1rem;
  outline: none;
  font-family: var(--font-body);
  font-size: 16px;
  letter-spacing: 0.5px;
}

.input-with-btn .btn {
  border: none;
  border-radius: 0;
  padding: 0.65rem 1.5rem;
  font-size: 0.85rem;
}

/* Product Detail View */
.detail-back-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.source-badge {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-glow);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.product-main-info {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.product-image-container {
  width: 90px;
  height: 90px;
  border-radius: var(--border-radius-md);
  background: var(--item-bg);
  border: 1px solid var(--card-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}

.product-image-fallback {
  color: var(--text-muted);
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-title-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.product-brand {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.product-barcode-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: monospace;
}

.badges-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* Nutri-Score & NOVA Badges */
.badge-nutriscore {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--item-bg-hover);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--card-border);
}

.badge-nutriscore span {
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 800;
}

.badge-nutriscore.a span { background: var(--nutri-a); }
.badge-nutriscore.b span { background: var(--nutri-b); }
.badge-nutriscore.c span { background: var(--nutri-c); }
.badge-nutriscore.d span { background: var(--nutri-d); }
.badge-nutriscore.e span { background: var(--nutri-e); }

.badge-nova {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--item-bg-hover);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--card-border);
}

.badge-nova span {
  padding: 0.05rem 0.45rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 800;
}

.badge-nova.n1 span { background: var(--nova-1); }
.badge-nova.n2 span { background: var(--nova-2); }
.badge-nova.n3 span { background: var(--nova-3); }
.badge-nova.n4 span { background: var(--nova-4); }

/* Metadata Grid */
.metadata-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: var(--item-bg);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--card-border);
}

.metadata-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.col-span-2 {
  grid-column: span 2;
}

.meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.meta-val {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Nutrition Panel */
.nutrition-panel {
  margin-bottom: 2rem;
}

.nutrition-panel h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border-left: 3px solid var(--color-primary);
  padding-left: 0.65rem;
}

.nutrition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 580px) {
  .nutrition-grid {
    grid-template-columns: 1fr;
  }
}

.nutrient-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nutrient-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 500;
}

.nutrient-name {
  color: var(--text-secondary);
}

.nutrient-value {
  color: var(--text-primary);
  font-weight: 600;
}

.progress-bar-bg {
  height: 6px;
  background: var(--btn-secondary-bg);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  width: 0%;
  transition: width 0.8s cubic-bezier(0.1, 0.8, 0.25, 1);
}

/* Make nutrients show visual flags */
#nutr-kcal .progress-bar { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); }
#nutr-sugars .progress-bar { background: var(--color-pending); }
#nutr-sat_fat .progress-bar { background: var(--color-error); }
#nutr-salt .progress-bar { background: var(--color-danger); }
#nutr-proteins .progress-bar { background: var(--color-success); }

/* Banner boxes */
.info-banner {
  background: var(--item-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 1rem;
}

.banner-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.info-banner p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Allergens */
.allergens-panel {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid hsla(222, 30%, 20%, 0.5);
}

.allergens-panel h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: hsl(5, 85%, 65%);
}

.allergens-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.allergen-tag {
  background: var(--color-danger-bg);
  color: hsl(350, 95%, 75%);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
}

/* History Landing and list */
.scanning-tip-banner {
  display: flex;
  gap: 1rem;
  background: hsla(190, 100%, 48%, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.15);
  padding: 1.25rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.tip-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.tip-content h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}

.tip-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.history-list-wrapper {
  max-height: 480px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.empty-history-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 2rem 0;
}

/* History Item */
.history-item {
  background: var(--item-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.history-item:hover {
  border-color: var(--color-primary-glow);
  background: var(--item-bg-hover);
  transform: translateX(3px);
}

.history-item-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.history-item-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.history-item-barcode {
  font-family: monospace;
}

.history-item-status {
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.history-item-status.found {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.history-item-status.not_found {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.history-item-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* App Footer */
.app-footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: auto;
  border-top: 1px solid var(--footer-border);
}

/* Utility Hidden */
.hidden {
  display: none !important;
}

/* Mobile Responsive Overrides */
@media (max-width: 580px) {
  .app-header {
    padding: 1.25rem 1rem 0.75rem;
  }
  
  .logo h1 {
    font-size: 1.65rem;
  }
  
  .logo-icon {
    width: 1.75rem;
    height: 1.75rem;
  }

  .app-container {
    margin: 1rem auto;
    padding: 0 0.75rem;
    gap: 1.25rem;
  }

  .card {
    padding: 1.15rem;
    border-radius: var(--border-radius-md);
  }

  .camera-controls {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.5rem;
  }

  .camera-controls .styled-select,
  .camera-controls .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}